Home / 921,899.08-1,381,939.26-441,572.20

Finding the Fourth Proportional to 921,899.08, 1,381,939.26 and 441,572.20

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Solution

The fourth proportional to 921,899.08, 1,381,939.26 and 441,572.20 is: 661,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,899.08 : 1,381,939.26 = 441,572.20 : x
  2. Step 2: Convert to fraction form
    921,899.08/1,381,939.26 = 441,572.20/x
  3. Step 3: Cross multiply
    921,899.08x = 1,381,939.26 × 441,572.20
  4. Step 4: Simplify right side
    921,899.08x = 610,225,959,304.57
  5. Step 5: Solve for x
    x = 610,225,959,304.57/921,899.08
  6. Step 6: Final answer
    x = 661,922.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.